| Guyancourt to Borgosesia | 358.87 mi (577.55 km) |
| Guyancourt to Boscoreale | 820.56 mi (1,320.57 km) |
| Guyancourt to Boscotrecase | 819.13 mi (1,318.26 km) |
| Guyancourt to Botticino Sera | 443.54 mi (713.81 km) |
| Guyancourt to Bovalino Marina | 1,015.68 mi (1,634.57 km) |
| Guyancourt to Boves | 401.94 mi (646.86 km) |
| Guyancourt to Boville Ernica | 739.95 mi (1,190.84 km) |
| Guyancourt to Bovisio Masciago | 397.09 mi (639.06 km) |
| Guyancourt to Bovolone | 490.82 mi (789.90 km) |
| Guyancourt to Bra | 392.14 mi (631.09 km) |
| Guyancourt to Bracciano | 671.77 mi (1,081.12 km) |
| Guyancourt to Brandizzo | 367.96 mi (592.18 km) |
| Guyancourt to Breganze | 492.85 mi (793.17 km) |
| Guyancourt to Brembate | 413.55 mi (665.54 km) |
| Guyancourt to Brescia | 442.81 mi (712.63 km) |
